Siemens Industrial Controls 3RT2028-1AN20 Contactor 326058-758 The D-4073-3 is recommended primarily

The D-4073-3 is recommended primarily for interior locations

Using this in other brands may result in incorrect voltage routing or terminal mismatch

which directly impacts the service life of the inducer

Unlike standard sensors that struggle with the fluctuating output of a VFD

5" Water Column for optimal natural gas manifold pressure

Siemens Industrial Controls 3RT2028-1AN20 Contactor 326058-758 The D-4073-3 is recommended primarilyThe Siemens 3RT2028 1AN20 Contactor is a robust, 3 pole IEC magnetic contactor engineered for heavy duty motor control in industrial HVACR and automation systems. Operating with a 220V AC 50 60Hz coil, this SIRIUS S0 frame unit provides reliable switching for 3 phase motors, delivering up to 38A under AC 3 conditions and 50A for AC 1 resistive loads. Its integration into your control panel is streamlined via screw type terminals and a 35mm DIN rail